124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "attr.h"
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#include "quote.h"
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#include "parse-options.h"
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static int stdin_paths;
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static const char * const check_attr_usage[] = {
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"git check-attr attr... [--] pathname...",
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"git check-attr --stdin attr... < <list-of-paths>",
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NULL
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};
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static int null_term_line;
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static const struct option check_attr_options[] = {
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OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"),
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OPT_BOOLEAN('z', NULL, &null_term_line,
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"input paths are terminated by a null character"),
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OPT_END()
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};
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static void check_attr(int cnt, struct git_attr_check *check,
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const char** name, const char *file)
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{
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int j;
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if (git_checkattr(file, cnt, check))
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die("git_checkattr died");
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for (j = 0; j < cnt; j++) {
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const char *value = check[j].value;
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if (ATTR_TRUE(value))
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value = "set";
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else if (ATTR_FALSE(value))
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value = "unset";
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else if (ATTR_UNSET(value))
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value = "unspecified";
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quote_c_style(file, NULL, stdout, 0);
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printf(": %s: %s\n", name[j], value);
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}
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}
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static void check_attr_stdin_paths(int cnt, struct git_attr_check *check,
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const char** name)
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{
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struct strbuf buf, nbuf;
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int line_termination = null_term_line ? 0 : '\n';
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strbuf_init(&buf, 0);
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strbuf_init(&nbuf, 0);
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while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
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if (line_termination && buf.buf[0] == '"') {
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strbuf_reset(&nbuf);
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if (unquote_c_style(&nbuf, buf.buf, NULL))
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die("line is badly quoted");
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strbuf_swap(&buf, &nbuf);
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}
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check_attr(cnt, check, name, buf.buf);
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maybe_flush_or_die(stdout, "attribute to stdout");
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}
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strbuf_release(&buf);
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strbuf_release(&nbuf);
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}
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int cmd_check_attr(int argc, const char **argv, const char *prefix)
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{
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struct git_attr_check *check;
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int cnt, i, doubledash;
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const char *errstr = NULL;
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argc = parse_options(argc, argv, check_attr_options, check_attr_usage,
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PARSE_OPT_KEEP_DASHDASH);
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if (!argc)
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usage_with_options(check_attr_usage, check_attr_options);
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if (read_cache() < 0) {
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die("invalid cache");
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}
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doubledash = -1;
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for (i = 0; doubledash < 0 && i < argc; i++) {
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if (!strcmp(argv[i], "--"))
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doubledash = i;
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}
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/* If there is no double dash, we handle only one attribute */
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if (doubledash < 0) {
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cnt = 1;
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doubledash = 0;
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} else
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cnt = doubledash;
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doubledash++;
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if (cnt <= 0)
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errstr = "No attribute specified";
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else if (stdin_paths && doubledash < argc)
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errstr = "Can't specify files with --stdin";
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if (errstr) {
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error("%s", errstr);
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usage_with_options(check_attr_usage, check_attr_options);
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}
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check = xcalloc(cnt, sizeof(*check));
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for (i = 0; i < cnt; i++) {
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const char *name;
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struct git_attr *a;
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name = argv[i];
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a = git_attr(name, strlen(name));
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if (!a)
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return error("%s: not a valid attribute name", name);
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check[i].attr = a;
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}
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if (stdin_paths)
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check_attr_stdin_paths(cnt, check, argv);
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else {
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for (i = doubledash; i < argc; i++)
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check_attr(cnt, check, argv, argv[i]);
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maybe_flush_or_die(stdout, "attribute to stdout");
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}
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return 0;
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}
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